Laurie opened the parlor door and popped his head in very quietly. 路易莎·梅·奥尔科特.小妇人.
Holmes popped a sheet of paper before the doctor's eyes. 阿瑟·柯南·道尔.福尔摩斯归来记.
I quaked till she was fairly in the carriage, and had a final fright, for as it drove of, she popped out her head, saying, 'Josyphine, won't you--? 路易莎·梅·奥尔科特.小妇人.